WO2010003358A1 - A neutral position switch for hybrid automobile - Google Patents
A neutral position switch for hybrid automobile Download PDFInfo
- Publication number
- WO2010003358A1 WO2010003358A1 PCT/CN2009/072643 CN2009072643W WO2010003358A1 WO 2010003358 A1 WO2010003358 A1 WO 2010003358A1 CN 2009072643 W CN2009072643 W CN 2009072643W WO 2010003358 A1 WO2010003358 A1 WO 2010003358A1
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- WO
- WIPO (PCT)
- Prior art keywords
- pin
- adapter
- positioning seat
- return spring
- neutral
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/68—Inputs being a function of gearing status
- F16H59/70—Inputs being a function of gearing status dependent on the ratio established
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/38—Detents
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/68—Inputs being a function of gearing status
- F16H2059/6823—Sensing neutral state of the transmission
Definitions
- the present invention relates to a neutral switch, and more particularly to a neutral switch for a hybrid vehicle, which belongs to the technical field of a vehicle gear position indicating device. Background technique
- Hybrid vehicles are the development direction of the automotive industry today. Almost all existing hybrid vehicles use AMT (mechanical hand-integrated transmission) or AT (automatic transmission) transmissions, which directly output neutral and in-range signals through the TCU (transmission control unit).
- On-board CAN (automotive LAN) system The collected signals are supplied to the HCU (Complete Vehicle Control Unit) and the ECU (Engine Control Unit) by the CAN system. The engine is switched on and off only when the two signals are opposite, thus avoiding vehicle misoperation.
- the hybrid system can also be equipped with an MT (manual transmission) gearbox, but the MT gearbox cannot directly output neutral and on-going signals. Technical measures must be taken to make the MT gearbox Detect and output neutral and in-range signals. Summary of the invention
- the technical problem to be solved by the present invention is to provide a neutral switch for a hybrid vehicle which is capable of outputting a neutral signal and an on-going signal in time, which is simple in construction and low in cost, in view of the deficiencies of the prior art.
- a neutral switch for a hybrid vehicle comprising a housing fixedly disposed on a gearbox, wherein one end of the positioning seat is matched with a shift finger on the outer side of the housing, and the other end is disposed in the housing and passes through the first return spring Connected to an insulated pin holder fixed to the housing, the positioning seat and the housing form an abutting fit along the axial direction of the housing, and the end of the positioning seat adjacent to the pin holder is provided with a reed extending to the pin holder, the pin
- the seat is fixed along its axial direction with a neutral pin respectively connected to the circuit outside the housing and a shift pin.
- the compression stroke of the first return spring allows the reed to be connected to the neutral pin and the pin to separate the slot.
- the gear signal and the gear signal is
- the positioning seat that is matched with the shift finger is moved along the axial direction of the housing, and the axial movement is further converted into the telescopic displacement of the first return spring, and the positioning seat
- the upper reed is connected to the neutral pin and the gear pin in this displacement range, respectively, and emits a neutral signal and an on-going signal. Therefore, the invention not only realizes the function of the positioning seat of the shift finger, but also realizes the function of indicating the gear position, and the structure is simple. Single and low cost.
- Embodiment 1 is a schematic structural view of Embodiment 1 of the present invention.
- Figure 2 is a positional state diagram of the present invention when it is in a neutral position
- Figure 3 is a positional state diagram of the present invention when it is in the gear
- Embodiment 2 of the present invention is a schematic structural view of Embodiment 2 of the present invention.
- Figure 5 is a schematic structural view of Embodiment 3 of the present invention.
- FIG. 6 is a schematic structural view of Embodiment 4 of the present invention. detailed description
- FIG. 1 is a schematic structural view of a first embodiment of the present invention
- FIG. 2 and FIG. 3 are respectively a positional state diagram of the present invention in a neutral position and a forward position.
- the present invention provides a neutral switch for a hybrid vehicle, comprising: a housing 10 and a pin holder 30 disposed in the housing 10, and the positioning seat 20 is located outside the housing 10.
- One end is matched with the shift finger 60 on the side thereof to achieve a positioning function for the shift finger 60;
- the insulated pin base 30 is fixed with a neutral pin respectively connected to the circuit outside the casing 10 along its axial direction.
- a first return spring 40 is disposed between the shift pin 32, the pin holder 30, and the end of the locator 20 located within the housing 10.
- the reed 21 at the end of the positioning seat 20 is connected to the neutral pin 31 and emits a neutral signal; when the positioning seat 20 rotates along the axial direction of the housing 10 toward the inside of the housing 10 with the rotation of the shift finger 60
- the first return spring 40 is pressed and shortened, and the reed 21 is disengaged from the neutral pin 31 along the axial movement of the housing 10, and finally with the gear pin.
- the 32 phases are connected and signaled in the gear.
- the first return spring 40 also stretches back to the original position, while pushing the positioning seat 20 to return to the initial position and issue a neutral signal, thereby completely implementing the function of the gear position indication. .
- the present invention combines the functions of detecting the neutral switch, detecting the shift switch and the shift designated seat, and integrating the function of the positioning base 20 and the switch through the mechanical connection, and the shift finger 60 connected metal parts realize the positioning seat function, and the insulating part of the pin is connected inside the housing 10 to realize the switching function.
- This arrangement not only solves the problem of layout space, but also reduces the number of parts, reduces the weight of the gearbox assembly, reduces the assembly process, achieves a versatile function, and reduces the procurement cost.
- the housing 10 and the gearbox are threaded.
- the outer ring surface of the casing 10 is provided with external threads, which are easy to install and easy to disassemble, and are convenient for maintenance of the present invention.
- the end face of the pin base 30 opposite to the positioning seat 20 is provided with a convex portion, and the first return spring 40 is sleeved on the convex portion. Since the convex portion is provided, the position of the first return spring 40 is relatively fixed, and displacement is not caused by repeated stretching and contraction, thereby ensuring stable operation of the present invention.
- one end of the pin holder 30 away from the positioning seat 20 is extended toward the outside of the housing 10 along the neutral pin 31 and in the extending direction of the pin 32.
- This manner of extension effectively protects the neutral pin 31 and the circuit in which the pin 32 is securely coupled to the outside of the housing 10, thereby preventing the neutral pin 31 and the pin 32 from being impacted by other components in the gearbox. Therefore, the present invention can normally issue the on-and-go signal and the neutral signal.
- one end of the positioning base 20 connected to the shift finger 60 is provided with a cavity 24 for accommodating the ball 50 and rolling the ball 50 therein, and the cavity 24 faces the shift finger 60.
- the side is provided with an opening, the width of the opening is smaller than the diameter of the ball 50, and the positioning seat 20 is configured to abut against the shift finger 60 by the ball 50.
- the cavity 24 has a reduced-receiving shape and the width at the cuff is smaller than the diameter of the ball 50, a part of the ball 50 will be exposed on the outside of the cavity 24, and the positioning block 20 passes through the ball.
- the portion exposed to the outside of the 50 is in abutment with the shift finger 60.
- the arrangement of the balls 50 causes the sliding friction between the positioning base 20 and the shifting fingers 60 to be converted into rolling friction, thereby reducing the friction between the two components, making the shifting operation easier and more convenient.
- the side of the ball 50 opposite to the opening of the cavity 24 is uniformly provided with a plurality of small balls 51 along the surface of the ball 50, and the balls 50 are configured therewith.
- the rolling ball 41 is connected to the positioning base 20.
- the arrangement of the small balls 51 can better receive the pressure from the balls 50 and transmit them evenly to the positioning base 20, thereby making the movement of the positioning base 20 more stable. Since the small ball 51 and the ball 50 are in a rolling fit, the movement between the shift finger 60 and the ball 50 is also made smoother.
- Embodiment 2 of the present invention is a schematic structural view of Embodiment 2 of the present invention. As shown in FIG. 4, this embodiment performs further structural improvement on the basis of the structure of the first embodiment.
- One end of the positioning seat 20 opposite to the pin holder 30 is provided as a recess 25a, and one end of the first return spring 40 abuts against the pin holder 30, and the other end abuts against the surface inside the recess 25a.
- the arrangement of the recesses 25a greatly reduces the amount of metal used in the positioning seat 20, ensuring that the present invention can be smoothly implemented. In the case of the application, the product weight and the manufacturing cost are reduced.
- FIG. 5 is a schematic structural diagram of Embodiment 3 of the present invention. As shown in Fig. 5, this embodiment is based on the structure of the second embodiment, and further improvements are made.
- the inner side of the positioning seat 20 is provided with a hollow cavity 25.
- the hollow cavity 25 may be closed or may be in communication with its exterior.
- the arrangement of the cavity 25 can also greatly reduce the amount of metal used for the positioning block 20, and the product weight and manufacturing cost can be reduced while ensuring the smooth implementation of the present invention.
- the end of the positioning base 20 connected to the pin base 30 is provided with an adapter 23, an adapter.
- the positioning seat 20 constitute a limit fit and can move along the axial direction of the positioning seat 20, the first return spring 40 is disposed between the pin holder 30 and the adapter 23, and the reed 21 is disposed on the adapter 23
- the cavity 25 is provided with a second return spring 22 that abuts against the inner surface of the adapter 23 and the positioning seat 20, respectively.
- the present invention is provided with a second return spring 22 in the cavity 25 of the positioning seat 20, and when the shift finger 60 is rotated, the ball 50 is forced and the pressure is uniformly transmitted to the positioning by the small ball 51.
- the base 20 body, the positioning seat 20 is displaced along the axis of the housing 10 and presses the second return spring 22 to make it shorter, and the second return spring 22 acts on the first return spring 40 through the adapter 23, and the action is the same as described above.
- the reed 21 is moved by the neutral pin 31 to the shift pin 32 and emits a shift signal; upon resetting, the first return spring 40 extends and acts on the second return spring 22 through the adapter 23, the second return spring 22 Push the positioning base 20 back to the initial position.
- the arrangement of the second return spring 22 allows the present invention to better accommodate various vibrations of the vehicle body, that is, when the positioning seat 20 or the shift finger 60 is slightly vibrated, the second return spring 22 can be deformed to absorb this slight The effect of the vibration does not cause the positioning seat 20 to displace in the axial direction of the housing 10 and cause the present invention to give an erroneous signal.
- FIG. 6 is a schematic structural diagram of Embodiment 4 of the present invention. As shown in Fig. 6, this embodiment is based on the structure of the third embodiment, and further improvements are made.
- the adapter 23 is composed of a first adapter element 23a and a second adapter element 23b which are inlaid with each other.
- the first return spring 40 is disposed between the pin holder 30 and the first adapter element 23a
- the second The return spring 22 is disposed between the positioning seat 20 and the second adapting element 23b.
- the first adapting element 23a is the same material as the pin base 30, and the second adapting element 23b and the positioning seat 20 form a limit fit, the reed 21 And the first The second adapter elements 23b are connected to deliver an electrical signal.
- the adapter 23 is divided into the first adapter component 23a and the second adapter component 23b, and the first adapter component 23a is also an insulator and has the same material as the pin holder 30, thereby further saving the metal amount. , reducing manufacturing costs.
- the neutral switch for a hybrid vehicle moves the positioning seat that cooperates with the shift finger in the axial direction of the housing when the shift finger is rotated.
- the movement is further converted into a telescopic displacement of the first return spring, and the reed on the positioning seat is respectively connected to the neutral pin and the gear pin in the displacement range, and emits a neutral signal and an on-going signal. Therefore, the present invention not only realizes the positioning seat function of the shift finger, but also realizes the indication function of the gear position, and has a simple structure and low cost.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear-Shifting Mechanisms (AREA)
- Arrangement Or Mounting Of Control Devices For Change-Speed Gearing (AREA)
- Seats For Vehicles (AREA)
Abstract
A neutral position switch for hybrid automobile, comprises a shell (10) fixed on the transmission, an end of a locating seat (20) and a shift finger (60) outside the shell (10) form an abutting fit, another end of the locating seat (20) is provided in the shell (10), and connected with an insulated pin seat (30) fixed on the shell (10) through a first offsetting spring (40). The locating seat (20) and the shell (10) form a close-fitting combination movable along the axial direction of the shell (10), a leaf spring (21) extended to the pin seat (30) is provided at the end of the locating seat (20) connected with the pin seat (30), a neutral position pin (31) and a shifting pin (32) connected with a circuit provided outside the shell (10) are fixed on the pin seat (30) along the axial direction. A compression stroke of the first offsetting spring (40) provides the leaf spring (21) can be connected with the neutral position pin (31) or the shifting pin (32), so as to send a neutral position signal or a shifting signal.
Description
混合动力汽车用空档开关 Hybrid car with neutral switch
技术领域 Technical field
本发明涉及一种空档开关, 尤其是一种混合动力汽车用空档开关, 属于车用档位 指示装置技术领域。 背景技术 The present invention relates to a neutral switch, and more particularly to a neutral switch for a hybrid vehicle, which belongs to the technical field of a vehicle gear position indicating device. Background technique
混合动力汽车是当今汽车业发展的方向。现有的混合动力汽车几乎都采用了 AMT (机械式手自一体化变速器) 或 AT (自动变速器) 的变速器, 这种变速器通过 TCU (变速箱控制单元) 直接输出空档和在档的信号给车载 CAN (汽车局域网) ***。 由 CAN***将采集来的信号分别提供给 HCU (整车控制单元) 和 ECU (发动机控制单 元), 只有两个信号相反时发动机才切换启停状态, 从而避免车辆误操作。 为了降低整 车成本, 提高燃油经济性, 混合动力***也可以选择搭载 MT (手动变速箱) 变速箱, 但是 MT变速箱不能直接输出空档和在档信号, 必须借助技术措施使 MT变速箱可以 检测和输出空档和在档信号。 发明内容 Hybrid vehicles are the development direction of the automotive industry today. Almost all existing hybrid vehicles use AMT (mechanical hand-integrated transmission) or AT (automatic transmission) transmissions, which directly output neutral and in-range signals through the TCU (transmission control unit). On-board CAN (automotive LAN) system. The collected signals are supplied to the HCU (Complete Vehicle Control Unit) and the ECU (Engine Control Unit) by the CAN system. The engine is switched on and off only when the two signals are opposite, thus avoiding vehicle misoperation. In order to reduce the cost of the whole vehicle and improve fuel economy, the hybrid system can also be equipped with an MT (manual transmission) gearbox, but the MT gearbox cannot directly output neutral and on-going signals. Technical measures must be taken to make the MT gearbox Detect and output neutral and in-range signals. Summary of the invention
本发明所要解决的技术问题在于, 针对现有技术的不足提供一种混合动力汽车用 空档开关, 其能够及时地输出空档信号和在档信号, 构造简单且成本低。 The technical problem to be solved by the present invention is to provide a neutral switch for a hybrid vehicle which is capable of outputting a neutral signal and an on-going signal in time, which is simple in construction and low in cost, in view of the deficiencies of the prior art.
本发明所有解决的技术问题是通过如下技术方案实现的: All the technical problems solved by the present invention are achieved by the following technical solutions:
一种混合动力汽车用空档开关, 包括固定设置在变速箱上的壳体, 定位座的一端 与壳体外侧的换档指构成顶靠配合, 另一端设置在壳体内并通过第一复位弹簧与固定 在壳体上的绝缘的插脚座相连接, 定位座与壳体构成可沿壳体轴向移动的贴靠配合, 定位座靠近插脚座的一端设有延伸至插脚座的簧片, 插脚座上沿其轴向固定有分别与 壳体外侧的电路相连的空档插脚以及在档插脚, 第一复位弹簧的压縮行程使得簧片可 以分别和空档插脚以及在档插脚相连以发出空档信号和在档信号。 A neutral switch for a hybrid vehicle, comprising a housing fixedly disposed on a gearbox, wherein one end of the positioning seat is matched with a shift finger on the outer side of the housing, and the other end is disposed in the housing and passes through the first return spring Connected to an insulated pin holder fixed to the housing, the positioning seat and the housing form an abutting fit along the axial direction of the housing, and the end of the positioning seat adjacent to the pin holder is provided with a reed extending to the pin holder, the pin The seat is fixed along its axial direction with a neutral pin respectively connected to the circuit outside the housing and a shift pin. The compression stroke of the first return spring allows the reed to be connected to the neutral pin and the pin to separate the slot. The gear signal and the gear signal.
由上述技术方案可知, 当换档指转动时, 与换档指构成顶靠配合的定位座沿壳体 的轴向发生移动, 此轴向移动进而转化为第一复位弹簧的伸縮位移, 定位座上的簧片 在此位移范围内分别和空档插脚以及在档插脚相连, 并发出空档信号和在档信号。 因 此, 本发明不但实现了换档指的定位座功能, 同时还实现了档位的指示功能, 构造简
单且成本低。 附图说明 According to the above technical solution, when the shift finger is rotated, the positioning seat that is matched with the shift finger is moved along the axial direction of the housing, and the axial movement is further converted into the telescopic displacement of the first return spring, and the positioning seat The upper reed is connected to the neutral pin and the gear pin in this displacement range, respectively, and emits a neutral signal and an on-going signal. Therefore, the invention not only realizes the function of the positioning seat of the shift finger, but also realizes the function of indicating the gear position, and the structure is simple. Single and low cost. DRAWINGS
图 1为本发明实施例一的结构示意图; 1 is a schematic structural view of Embodiment 1 of the present invention;
图 2为本发明处于空档时的位置状态图; Figure 2 is a positional state diagram of the present invention when it is in a neutral position;
图 3为本发明处于在档时的位置状态图; Figure 3 is a positional state diagram of the present invention when it is in the gear;
图 4为本发明实施例二的结构示意图; 4 is a schematic structural view of Embodiment 2 of the present invention;
图 5为本发明实施例三的结构示意图; Figure 5 is a schematic structural view of Embodiment 3 of the present invention;
图 6为本发明实施例四的结构示意图。 具体实施方式 FIG. 6 is a schematic structural view of Embodiment 4 of the present invention. detailed description
以下结合附图和具体实施例对本发明的技术方案进行详细地说明。 The technical solutions of the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
实施例一 Embodiment 1
图 1为本发明实施例一的结构示意图, 图 2和图 3分别为本发明处于空档及在档 时的位置状态图。 如图 1结合图 2、 图 3所示, 本发明提供一种混合动力汽车用空档 开关, 包括: 壳体 10中设置有定位座 20和插脚座 30, 定位座 20位于壳体 10外侧的 一端与其旁侧的换档指 60构成顶靠配合, 以实现对换档指 60的定位功能; 绝缘的插 脚座 30上沿其轴向固定有分别与壳体 10外侧的电路相连的空档插脚 31和在档插脚 32, 插脚座 30以及定位座 20位于壳体 10内的端头之间设置有第一复位弹簧 40。 1 is a schematic structural view of a first embodiment of the present invention, and FIG. 2 and FIG. 3 are respectively a positional state diagram of the present invention in a neutral position and a forward position. As shown in FIG. 1 and FIG. 2, FIG. 3, the present invention provides a neutral switch for a hybrid vehicle, comprising: a housing 10 and a pin holder 30 disposed in the housing 10, and the positioning seat 20 is located outside the housing 10. One end is matched with the shift finger 60 on the side thereof to achieve a positioning function for the shift finger 60; the insulated pin base 30 is fixed with a neutral pin respectively connected to the circuit outside the casing 10 along its axial direction. A first return spring 40 is disposed between the shift pin 32, the pin holder 30, and the end of the locator 20 located within the housing 10.
正常状况下定位座 20端头的簧片 21与空档插脚 31相连, 并发出空档信号; 当 定位座 20随换档指 60的转动沿壳体 10的轴向向壳体 10的内部发生移动时, 由于插 脚座 30固定在壳体 10上, 因此第一复位弹簧 40受压变短, 簧片 21沿壳体 10的轴向 运动与空档插脚 31相脱离, 并最终与在档插脚 32相连通并发出在档信号。 当换档指 60转动并回复到起始位置时, 第一复位弹簧 40也伸展回复至原始位置, 同时推动定 位座 20回复初始位置并发出空档信号, 从而完整地实现了档位指示的功能。 Under normal conditions, the reed 21 at the end of the positioning seat 20 is connected to the neutral pin 31 and emits a neutral signal; when the positioning seat 20 rotates along the axial direction of the housing 10 toward the inside of the housing 10 with the rotation of the shift finger 60 When moving, since the pin holder 30 is fixed to the housing 10, the first return spring 40 is pressed and shortened, and the reed 21 is disengaged from the neutral pin 31 along the axial movement of the housing 10, and finally with the gear pin. The 32 phases are connected and signaled in the gear. When the shift finger 60 rotates and returns to the home position, the first return spring 40 also stretches back to the original position, while pushing the positioning seat 20 to return to the initial position and issue a neutral signal, thereby completely implementing the function of the gear position indication. .
由上述可知, 本发明将检测空档的开关、 检测在档的开关以及换档指定位座的功 能合并为一体, 将定位座 20 与开关的功能通过机械连接有机的结合起来, 与换档指 60相连的金属部分实现定位座功能, 壳体 10 内部连接有插脚的绝缘部分实现开关功 能。 这种设置不但解决了布置空间问题, 而且减少了零部件数量, 还降低了变速箱总 成的重量, 减少了装配加工工序, 实现了一件多能的功用, 同时降低了采购成本。
如图 1所示, 所述的壳体 10与变速箱之间为螺纹连接。 壳体 10的外环面上设置 有外螺纹, 螺纹连接安装简便且易于拆卸, 便于对本发明进行维修保养。 It can be seen from the above that the present invention combines the functions of detecting the neutral switch, detecting the shift switch and the shift designated seat, and integrating the function of the positioning base 20 and the switch through the mechanical connection, and the shift finger 60 connected metal parts realize the positioning seat function, and the insulating part of the pin is connected inside the housing 10 to realize the switching function. This arrangement not only solves the problem of layout space, but also reduces the number of parts, reduces the weight of the gearbox assembly, reduces the assembly process, achieves a versatile function, and reduces the procurement cost. As shown in Figure 1, the housing 10 and the gearbox are threaded. The outer ring surface of the casing 10 is provided with external threads, which are easy to install and easy to disassemble, and are convenient for maintenance of the present invention.
为了便于复位弹簧 40的定位, 如图 1所示, 所述的插脚座 30与定位座 20相对 的端面上设置有凸部, 第一复位弹簧 40套设在所述的凸部上。 由于设置了该凸部, 使 得第一复位弹簧 40的位置比较固定, 不会因为反复的伸縮挤压而发生位移, 保证了本 发明的稳定工作。 In order to facilitate the positioning of the return spring 40, as shown in FIG. 1, the end face of the pin base 30 opposite to the positioning seat 20 is provided with a convex portion, and the first return spring 40 is sleeved on the convex portion. Since the convex portion is provided, the position of the first return spring 40 is relatively fixed, and displacement is not caused by repeated stretching and contraction, thereby ensuring stable operation of the present invention.
为了便于定位, 所述的插脚座 30远离定位座 20的一端沿空档插脚 31 以及在档 插脚 32的延伸方向向壳体 10的外侧顺延。 这种顺延方式可以有效地保护空档插脚 31 和在档插脚 32安全地连接到壳体 10外侧的电路上去, 使空档插脚 31和在档插脚 32 免受变速箱内其他部件的碰撞和影响, 从而使本发明可以正常地发出在档信号和空档 信号。 In order to facilitate positioning, one end of the pin holder 30 away from the positioning seat 20 is extended toward the outside of the housing 10 along the neutral pin 31 and in the extending direction of the pin 32. This manner of extension effectively protects the neutral pin 31 and the circuit in which the pin 32 is securely coupled to the outside of the housing 10, thereby preventing the neutral pin 31 and the pin 32 from being impacted by other components in the gearbox. Therefore, the present invention can normally issue the on-and-go signal and the neutral signal.
如图 1-图 3所示, 所述的定位座 20与换档指 60相连的一端设置有容纳滚珠 50 并使滚珠 50在其中滚动的凹腔 24, 凹腔 24朝向换档指 60的一侧设有开口, 开口处 的宽度小于滚珠 50的直径, 定位座 20通过滚珠 50与换档指 60构成顶靠配合。 由上 述可知, 由于凹腔 24呈一个减縮式的收口状, 且收口处的宽度小于滚珠 50的直径, 因此滚珠 50的一部份将暴露在凹腔 24的外侧, 定位座 20即通过滚珠 50暴露在外侧 的部分与换档指 60构成顶靠配合。 滚珠 50的设置使得定位座 20与换档指 60之间由 滑动摩擦转变为滚动摩擦, 从而降低了两部件之间的摩擦力, 使换档动作的操纵更为 轻松和方便。 As shown in FIG. 1 to FIG. 3, one end of the positioning base 20 connected to the shift finger 60 is provided with a cavity 24 for accommodating the ball 50 and rolling the ball 50 therein, and the cavity 24 faces the shift finger 60. The side is provided with an opening, the width of the opening is smaller than the diameter of the ball 50, and the positioning seat 20 is configured to abut against the shift finger 60 by the ball 50. As can be seen from the above, since the cavity 24 has a reduced-receiving shape and the width at the cuff is smaller than the diameter of the ball 50, a part of the ball 50 will be exposed on the outside of the cavity 24, and the positioning block 20 passes through the ball. The portion exposed to the outside of the 50 is in abutment with the shift finger 60. The arrangement of the balls 50 causes the sliding friction between the positioning base 20 and the shifting fingers 60 to be converted into rolling friction, thereby reducing the friction between the two components, making the shifting operation easier and more convenient.
为了操作省力, 动作顺畅, 如图 1-图 3所示, 所述的滚珠 50与凹腔 24的开口相 对的一侧沿滚珠 50的表面均匀地设置有若干小滚珠 51, 滚珠 50通过与其构成滚动配 合的小滚珠 51与定位座 20相连接。 小滚珠 51的设置可以更好地承接来自滚珠 50的 压力, 并将其均匀地传递到定位座 20上, 从而使定位座 20的动作更为稳定。 由于小 滚珠 51与滚珠 50之间为滚动配合, 因此也使得换档指 60与滚珠 50之间的动作更为 顺畅。 In order to save effort and smooth operation, as shown in FIG. 1 to FIG. 3, the side of the ball 50 opposite to the opening of the cavity 24 is uniformly provided with a plurality of small balls 51 along the surface of the ball 50, and the balls 50 are configured therewith. The rolling ball 41 is connected to the positioning base 20. The arrangement of the small balls 51 can better receive the pressure from the balls 50 and transmit them evenly to the positioning base 20, thereby making the movement of the positioning base 20 more stable. Since the small ball 51 and the ball 50 are in a rolling fit, the movement between the shift finger 60 and the ball 50 is also made smoother.
实施例二 Embodiment 2
图 4为本发明实施例二的结构示意图。 如图 4所示, 本实施例在实施例一的结构 基础上, 进行了进一步的结构改进。 所述的定位座 20与插脚座 30相对的一端设置为 凹部 25a, 第一复位弹簧 40的一端顶靠在插脚座 30上, 另一端顶靠在凹部 25a内的 表面上。 凹部 25a的设置大大减少了定位座 20的金属用量, 在保证本发明能够顺利实
施的情况下降低了产品重量和生产制造成本。 4 is a schematic structural view of Embodiment 2 of the present invention. As shown in FIG. 4, this embodiment performs further structural improvement on the basis of the structure of the first embodiment. One end of the positioning seat 20 opposite to the pin holder 30 is provided as a recess 25a, and one end of the first return spring 40 abuts against the pin holder 30, and the other end abuts against the surface inside the recess 25a. The arrangement of the recesses 25a greatly reduces the amount of metal used in the positioning seat 20, ensuring that the present invention can be smoothly implemented. In the case of the application, the product weight and the manufacturing cost are reduced.
本实施例中的其他技术特征与上述实施例一相同, 详细内容请参照实施例一, 在 此不再赘述。 The other technical features in this embodiment are the same as those in the first embodiment. For details, refer to the first embodiment, and details are not described herein again.
实施例三 Embodiment 3
图 5为本发明实施例三的结构示意图。 如图 5所示, 本实施例是在实施例二的结 构基础上, 进行了进一步的改进。 所述的定位座 20的内侧设有中空的腔体 25。 中空 的腔体 25可以是封闭状的, 也可以和其外部相连通。 腔体 25的设置同样可以大大减 少定位座 20的金属用量,在保证本发明能够顺利实施的情况下降低了产品重量和生产 制造成本。 FIG. 5 is a schematic structural diagram of Embodiment 3 of the present invention. As shown in Fig. 5, this embodiment is based on the structure of the second embodiment, and further improvements are made. The inner side of the positioning seat 20 is provided with a hollow cavity 25. The hollow cavity 25 may be closed or may be in communication with its exterior. The arrangement of the cavity 25 can also greatly reduce the amount of metal used for the positioning block 20, and the product weight and manufacturing cost can be reduced while ensuring the smooth implementation of the present invention.
如图 5所示, 所述的定位座 20与插脚座 30相连的一端设置有适配件 23, 适配件 As shown in FIG. 5, the end of the positioning base 20 connected to the pin base 30 is provided with an adapter 23, an adapter.
23与定位座 20构成限位配合并可沿定位座 20的轴向移动, 所述的第一复位弹簧 40 设置在插脚座 30与适配件 23之间, 簧片 21设置在适配件 23上, 所述的腔体 25中设 置有两端分别抵靠在适配件 23与定位座 20内表面上的第二复位弹簧 22。 23 and the positioning seat 20 constitute a limit fit and can move along the axial direction of the positioning seat 20, the first return spring 40 is disposed between the pin holder 30 and the adapter 23, and the reed 21 is disposed on the adapter 23 The cavity 25 is provided with a second return spring 22 that abuts against the inner surface of the adapter 23 and the positioning seat 20, respectively.
如前所述, 本发明在定位座 20 的腔体 25 中设置有第二复位弹簧 22, 当换档指 60转动换档时, 滚珠 50受力并通过小滚珠 51将压力均匀地传递给定位座 20本体, 定位座 20沿壳体 10的轴线产生位移并压迫第二复位弹簧 22使之变短,第二复位弹簧 22通过适配件 23作用于第一复位弹簧 40, 此后动作与前述相同, 簧片 21由空档插脚 31移动至在档插脚 32并发出在档信号; 复位时, 第一复位弹簧 40伸展并通过适配件 23作用于第二复位弹簧 22, 第二复位弹簧 22再推动定位座 20回复初始位置。 As described above, the present invention is provided with a second return spring 22 in the cavity 25 of the positioning seat 20, and when the shift finger 60 is rotated, the ball 50 is forced and the pressure is uniformly transmitted to the positioning by the small ball 51. The base 20 body, the positioning seat 20 is displaced along the axis of the housing 10 and presses the second return spring 22 to make it shorter, and the second return spring 22 acts on the first return spring 40 through the adapter 23, and the action is the same as described above. The reed 21 is moved by the neutral pin 31 to the shift pin 32 and emits a shift signal; upon resetting, the first return spring 40 extends and acts on the second return spring 22 through the adapter 23, the second return spring 22 Push the positioning base 20 back to the initial position.
第二复位弹簧 22 的设置可以使本发明更好地适应车体的各种振动, 也即当定位 座 20或换档指 60有轻微振动时,第二复位弹簧 22可以产生形变吸收掉此轻微振动的 影响, 而不至于导致定位座 20沿壳体 10的轴向产生位移并使本发明发出错误信号。 The arrangement of the second return spring 22 allows the present invention to better accommodate various vibrations of the vehicle body, that is, when the positioning seat 20 or the shift finger 60 is slightly vibrated, the second return spring 22 can be deformed to absorb this slight The effect of the vibration does not cause the positioning seat 20 to displace in the axial direction of the housing 10 and cause the present invention to give an erroneous signal.
本实施例中的其他技术特征与上述实施例二相同, 详细内容请参照实施例二, 在 此不再赘述。 Other technical features in this embodiment are the same as those in the foregoing embodiment 2. For details, refer to the second embodiment, and details are not described herein again.
实施例四 Embodiment 4
图 6为本发明实施例四的结构示意图。 如图 6所示, 本实施例是在实施例三的结 构基础上, 进行了进一步的改进。所述的适配件 23由互相为镶嵌配合的第一适配元件 23a和第二适配元件 23b构成,第一复位弹簧 40设置在插脚座 30与第一适配元件 23a 之间,第二复位弹簧 22设置在定位座 20与第二适配元件 23b之间,第一适配元件 23a 与插脚座 30的材质相同, 第二适配元件 23b与定位座 20构成限位配合, 簧片 21与第
二适配元件 23b相连以传递电信号。 FIG. 6 is a schematic structural diagram of Embodiment 4 of the present invention. As shown in Fig. 6, this embodiment is based on the structure of the third embodiment, and further improvements are made. The adapter 23 is composed of a first adapter element 23a and a second adapter element 23b which are inlaid with each other. The first return spring 40 is disposed between the pin holder 30 and the first adapter element 23a, and the second The return spring 22 is disposed between the positioning seat 20 and the second adapting element 23b. The first adapting element 23a is the same material as the pin base 30, and the second adapting element 23b and the positioning seat 20 form a limit fit, the reed 21 And the first The second adapter elements 23b are connected to deliver an electrical signal.
本方案将适配件 23分置为第一适配元件 23a和第二适配元件 23b,而第一适配元 件 23a也为绝缘件且与插脚座 30的材质相同, 因此进一步节省了金属用量, 减少了生 产制造成本。 In this solution, the adapter 23 is divided into the first adapter component 23a and the second adapter component 23b, and the first adapter component 23a is also an insulator and has the same material as the pin holder 30, thereby further saving the metal amount. , reducing manufacturing costs.
本实施例中的其他技术特征与上述实施例三相同, 详细内容请参照实施例三, 在 此不再赘述。 Other technical features in this embodiment are the same as those in the foregoing embodiment 3. For details, refer to the third embodiment, and details are not described herein again.
由上述的各个实施例可知, 本发明所提供的混合动力汽车用空档开关, 在换档指 转动时, 与换档指构成顶靠配合的定位座沿壳体的轴向发生移动, 此轴向移动进而转 化为第一复位弹簧的伸縮位移, 定位座上的簧片在此位移范围内分别和空档插脚以及 在档插脚相连, 并发出空档信号和在档信号。 因此, 本发明不但实现了换档指的定位 座功能, 同时还实现了档位的指示功能, 构造简单且成本低。 最后所应说明的是: 以上实施例仅用以说明本发明而非限制, 尽管参照较佳实施 例对本发明进行了详细说明, 本领域的普通技术人员应当理解, 可以对本发明进行修 改或者等同替换, 而不脱离本发明的精神和范围, 其均应涵盖在本发明的权利要求范 围当中。
It can be seen from the above various embodiments that the neutral switch for a hybrid vehicle provided by the present invention moves the positioning seat that cooperates with the shift finger in the axial direction of the housing when the shift finger is rotated. The movement is further converted into a telescopic displacement of the first return spring, and the reed on the positioning seat is respectively connected to the neutral pin and the gear pin in the displacement range, and emits a neutral signal and an on-going signal. Therefore, the present invention not only realizes the positioning seat function of the shift finger, but also realizes the indication function of the gear position, and has a simple structure and low cost. It should be noted that the above embodiments are only intended to illustrate the invention and are not to be construed as limiting the scope of the invention. The spirit and scope of the invention are intended to be included within the scope of the appended claims.
Claims
权利要求书 Claim
1、 一种混合动力汽车用空档开关, 其特征在于: 包括固定设置在变速箱上的壳 体 (10), 定位座 (20) 的一端与壳体 (10) 外侧的换档指 (60) 构成顶靠配合, 另一 端设置在壳体 (10) 内并通过第一复位弹簧 (40) 与固定在壳体 (10) 上的绝缘的插 脚座 (30) 相连接, 定位座 (20) 与壳体 (10) 构成可沿壳体 (10) 轴向移动的贴靠 配合, 定位座 (20) 靠近插脚座 (30) 的一端设有延伸至插脚座 (30) 的簧片 (21), 插脚座 (30) 上沿其轴向固定有分别与壳体 (10) 外侧的电路相连的空档插脚 (31) 以及在档插脚 (32), 第一复位弹簧 (40) 的压縮行程使得簧片 (21) 可以分别和空档 插脚 (31) 以及在档插脚 (32) 相连以发出空档信号和在档信号。 A neutral switch for a hybrid vehicle, comprising: a housing (10) fixedly disposed on the transmission, a shifting finger at one end of the positioning seat (20) and the outside of the housing (10) The top end is matched, and the other end is disposed in the housing (10) and connected to the insulated pin holder (30) fixed to the housing (10) through the first return spring (40), the positioning seat (20) The housing (10) forms an abutting fit along the axial direction of the housing (10), and the end of the positioning seat (20) adjacent to the pin holder (30) is provided with a reed (21) extending to the pin holder (30). The pin base (30) is fixed with a neutral pin (31) and a pin (32), a compression stroke of the first return spring (40), which are respectively connected to the circuit outside the casing (10). The reeds (21) can be respectively connected to the neutral pin (31) and the gear pin (32) to emit a neutral signal and an on-going signal.
2、 根据权利要求 1 所述的混合动力汽车用空档开关, 其特征在于: 所述的定位 座 (20) 与换档指 (60) 相连的一端设置有容纳滚珠 (50) 并使滚珠 (50) 在其中滚 动的凹腔 (24), 凹腔 (24) 朝向换档指 (60) 的一侧设有开口, 开口处的宽度小于滚 珠 (50) 的直径, 定位座 (20) 通过滚珠 (50) 与换档指 (60) 构成顶靠配合。 2. The neutral switch for a hybrid vehicle according to claim 1, wherein: the one end of the positioning base (20) connected to the shift finger (60) is provided with a receiving ball (50) and a ball ( 50) a cavity (24) in which the recess (24) is provided with an opening toward one side of the shift finger (60), the width of the opening is smaller than the diameter of the ball (50), and the positioning seat (20) passes the ball (50) Forms a top fit with the shift finger (60).
3、 根据权利要求 1 所述的混合动力汽车用空档开关, 其特征在于: 所述的插脚 座 (30) 与定位座 (20) 相对的端面上设置有凸部, 第一复位弹簧 (40) 套设在所述 的凸部上。 3. The neutral switch for a hybrid vehicle according to claim 1, wherein: the end face of the pin base (30) opposite to the positioning base (20) is provided with a convex portion, and the first return spring (40) ) is sleeved on the convex portion.
4、 根据权利要求 1 所述的混合动力汽车用空档开关, 其特征在于: 所述的插脚 座 (30) 远离定位座 (20) 的一端沿空档插脚 (31) 以及在档插脚 (32) 的延伸方向 向壳体 (10) 的外侧顺延。 4. The neutral switch for a hybrid vehicle according to claim 1, wherein: the pin holder (30) is away from the one end of the positioning seat (20) along the neutral pin (31) and the pin (32). The extension direction of the casing is extended to the outside of the casing (10).
5、 根据权利要求 1 所述的混合动力汽车用空档开关, 其特征在于: 所述的壳体 5. The neutral switch for a hybrid vehicle according to claim 1, wherein: said housing
(10) 与变速箱之间为螺纹连接。 (10) Threaded connection to the gearbox.
6、 根据权利要求 1或 4任一项所述的混合动力汽车用空档开关, 其特征在于: 所述的定位座 (20) 的内侧设有中空的腔体 (25)。 The neutral switch for a hybrid vehicle according to any one of claims 1 to 4, characterized in that the inner side of the positioning base (20) is provided with a hollow cavity (25).
7、 根据权利要求 1或 4任一项所述的混合动力汽车用空档开关, 其特征在于: 所述的定位座(20)与插脚座(30)相对的一端设置为凹部(25a), 第一复位弹簧(40) 的一端顶靠在插脚座 (30) 上, 另一端顶靠在凹部 (25a) 内的表面上。 The neutral switch for a hybrid vehicle according to any one of claims 1 to 4, wherein: the one end of the positioning base (20) opposite to the pin base (30) is provided as a recess (25a), One end of the first return spring (40) abuts against the pin base (30) and the other end abuts against the surface in the recess (25a).
8、 根据权利要求 2 所述的混合动力汽车用空档开关, 其特征在于: 所述的滚珠 8. The neutral switch for a hybrid vehicle according to claim 2, wherein: said ball
(50) 与凹腔 (24) 的开口相对的一侧沿滚珠 (50) 的表面均匀地设置有若干小滚珠(50) A side opposite to the opening of the cavity (24) is uniformly provided with a plurality of small balls along the surface of the ball (50)
(51), 滚珠 (50) 通过与其构成滚动配合的小滚珠 (51) 与定位座 (20) 相连接。 (51), the ball (50) is connected to the positioning seat (20) by a small ball (51) that is configured to be in a rolling fit.
9、 根据权利要求 6 所述的混合动力汽车用空档开关, 其特征在于: 所述的定位
座 (20) 与插脚座 (30)相连的一端设置有适配件 (23), 适配件(23)与定位座 (20) 构成限位配合并可沿定位座 (20) 的轴向移动, 所述的第一复位弹簧 (40) 设置在插 脚座(30)与适配件(23)之间, 簧片 (21)设置在适配件(23)上, 所述的腔体(25) 中设置有两端分别抵靠在适配件(23)与定位座(20) 内表面上的第二复位弹簧(22)。 9. The neutral switch for a hybrid vehicle according to claim 6, wherein: said positioning The end of the seat (20) connected to the pin base (30) is provided with an adapter (23), and the adapter (23) and the positioning seat (20) form a limit fit and can move along the axial direction of the positioning seat (20) The first return spring (40) is disposed between the pin holder (30) and the adapter (23), and the reed (21) is disposed on the adapter (23), the cavity (25) There is provided a second return spring (22) with two ends abutting against the inner surface of the adapter (23) and the positioning seat (20), respectively.
10、 根据权利要求 9所述的混合动力汽车用空档开关, 其特征在于: 所述的适配 件 (23) 由互相为镶嵌配合的第一适配元件 (23a) 和第二适配元件 (23b) 构成, 第 一复位弹簧(40)设置在插脚座(30)与第一适配元件(23a)之间,第二复位弹簧(22) 设置在定位座(20)与第二适配元件(23b)之间, 第一适配元件(23a)与插脚座(30) 的材质相同, 第二适配元件 (23b) 与定位座 (20) 构成限位配合, 簧片 (21) 与第二 适配元件 (23b) 相连以传递电信号。
The neutral switch for a hybrid vehicle according to claim 9, characterized in that: the adapter (23) is a first adapter component (23a) and a second adapter component that are inlaid with each other. (23b) constituting that the first return spring (40) is disposed between the pin holder (30) and the first adapter member (23a), and the second return spring (22) is disposed at the positioning seat (20) and the second adapter Between the components (23b), the first adapter component (23a) is of the same material as the pin holder (30), and the second adapter component (23b) and the positioning seat (20) form a limit fit, the reed (21) and The second adapter element (23b) is connected to deliver an electrical signal.
Applications Claiming Priority (2)
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CN 200810127864 CN101328974B (en) | 2008-07-07 | 2008-07-07 | Free position switch for hybrid power cars |
CN200810127864.4 | 2008-07-07 |
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WO2010003358A1 true WO2010003358A1 (en) | 2010-01-14 |
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PCT/CN2009/072643 WO2010003358A1 (en) | 2008-07-07 | 2009-07-06 | A neutral position switch for hybrid automobile |
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CN101328974B (en) * | 2008-07-07 | 2013-03-27 | 奇瑞汽车股份有限公司 | Free position switch for hybrid power cars |
CN102175971B (en) * | 2011-02-18 | 2013-10-16 | 奇瑞汽车股份有限公司 | Relay state detection method and device of electric vehicle high-voltage system |
CN106555874A (en) * | 2015-09-29 | 2017-04-05 | 长城汽车股份有限公司 | A kind of manual transmission neutral alignment system, variator and automobile |
DE202015006951U1 (en) * | 2015-10-06 | 2017-01-10 | Gm Global Technology Operations, Llc | Manual actuating device |
CN110230689B (en) * | 2018-03-06 | 2021-01-22 | 上海汽车集团股份有限公司 | Gear selecting and shifting device and gear shifting self-locking spring pin thereof |
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DE19835736A1 (en) * | 1998-08-07 | 2000-02-17 | Schaeffler Waelzlager Ohg | Fixture arrangement for adjustable or revolving positioning element, such as gear switch shaft in motor vehicle using spring loaded latch balls |
CN2777738Y (en) * | 2004-11-26 | 2006-05-03 | 哈尔滨德利亚电子科技有限公司 | Electronic switch device of free position and reverse gear signal for automobile |
KR100822552B1 (en) * | 2006-12-06 | 2008-04-16 | 위아 주식회사 | Position switch for sub transmission of the vehicle |
CN101328974A (en) * | 2008-07-07 | 2008-12-24 | 奇瑞汽车股份有限公司 | Free position switch for hybrid power cars |
-
2008
- 2008-07-07 CN CN 200810127864 patent/CN101328974B/en active Active
-
2009
- 2009-07-06 WO PCT/CN2009/072643 patent/WO2010003358A1/en active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19835736A1 (en) * | 1998-08-07 | 2000-02-17 | Schaeffler Waelzlager Ohg | Fixture arrangement for adjustable or revolving positioning element, such as gear switch shaft in motor vehicle using spring loaded latch balls |
CN2777738Y (en) * | 2004-11-26 | 2006-05-03 | 哈尔滨德利亚电子科技有限公司 | Electronic switch device of free position and reverse gear signal for automobile |
KR100822552B1 (en) * | 2006-12-06 | 2008-04-16 | 위아 주식회사 | Position switch for sub transmission of the vehicle |
CN101328974A (en) * | 2008-07-07 | 2008-12-24 | 奇瑞汽车股份有限公司 | Free position switch for hybrid power cars |
Also Published As
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CN101328974A (en) | 2008-12-24 |
CN101328974B (en) | 2013-03-27 |
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